65486475

素因数分解:

$3^4\times 5^2\times {\mathrm{73}}^1\times {\mathrm{443}}^1$

素因数の和:538

約数の個数: 60

約数和(自身を含む): 123242856

約数和(自身を除く): 57756381

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 73, 75, 81, 135, 219, 225, 365, 405, 443, 657, 675, 1095, 1329, 1825, 1971, 2025, 2215, 3285, 3987, 5475, 5913, 6645, 9855, 11075, 11961, 16425, 19935, 29565, 32339, 33225, 35883, 49275, 59805, 97017, 99675, 147825, 161695, 179415, 291051, 299025, 485085, 808475, 873153, 897075, 1455255, 2425425, 2619459, 4365765, 7276275, 13097295, 21828825, 65486475]

約数ペア:

[(1, 65486475), (3, 21828825), (5, 13097295), (9, 7276275), (15, 4365765), (25, 2619459), (27, 2425425), (45, 1455255), (73, 897075), (75, 873153), (81, 808475), (135, 485085), (219, 299025), (225, 291051), (365, 179415), (405, 161695), (443, 147825), (657, 99675), (675, 97017), (1095, 59805), (1329, 49275), (1825, 35883), (1971, 33225), (2025, 32339), (2215, 29565), (3285, 19935), (3987, 16425), (5475, 11961), (5913, 11075), (6645, 9855)]